GB1569011A - Lens casting apparatus - Google Patents

Lens casting apparatus Download PDF

Info

Publication number
GB1569011A
GB1569011A GB33976/77A GB3397677A GB1569011A GB 1569011 A GB1569011 A GB 1569011A GB 33976/77 A GB33976/77 A GB 33976/77A GB 3397677 A GB3397677 A GB 3397677A GB 1569011 A GB1569011 A GB 1569011A
Authority
GB
United Kingdom
Prior art keywords
mould
lens
casting
support member
members
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB33976/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Optical Corp
Original Assignee
American Optical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Optical Corp filed Critical American Optical Corp
Publication of GB1569011A publication Critical patent/GB1569011A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/0048—Moulds for lenses
    • B29D11/00528—Consisting of two mould halves joined by an annular gasket
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/0048—Moulds for lenses
    • B29D11/00538—Feeding arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/76—Office equipment or accessories
    • B29L2031/7602—Maps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
GB33976/77A 1976-08-12 1977-08-12 Lens casting apparatus Expired GB1569011A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71393376A 1976-08-12 1976-08-12

Publications (1)

Publication Number Publication Date
GB1569011A true GB1569011A (en) 1980-06-11

Family

ID=24868132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33976/77A Expired GB1569011A (en) 1976-08-12 1977-08-12 Lens casting apparatus

Country Status (5)

Country Link
US (1) US4085919A (enrdf_load_stackoverflow)
JP (1) JPS5321940A (enrdf_load_stackoverflow)
CA (1) CA1092307A (enrdf_load_stackoverflow)
DE (1) DE2734416C2 (enrdf_load_stackoverflow)
GB (1) GB1569011A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2203092A (en) * 1987-04-03 1988-10-12 Kei Mori Casting

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474355A (en) * 1977-06-27 1984-10-02 Martin Greshes Apparatus for molding optical plastic lenses of the standard and bifocal type
US4227673A (en) * 1979-08-10 1980-10-14 American Optical Corporation Gasket for casting lenses
USRE32829E (en) * 1984-09-10 1989-01-10 General Instrument Corp. Rectifier with slug construction and mold for fabricating same
US4780162A (en) * 1985-02-22 1988-10-25 E-P Corporation Method for repairing laminates
US4693446A (en) * 1985-09-20 1987-09-15 Techna Vision, Inc. Gasket for molding plastic lenses
US6201037B1 (en) 1986-01-28 2001-03-13 Ophthalmic Research Group International, Inc. Plastic lens composition and method for the production thereof
US5415816A (en) 1986-01-28 1995-05-16 Q2100, Inc. Method for the production of plastic lenses
JPS6442222A (en) * 1987-08-10 1989-02-14 Matsuba Megane Kogyo Kk Preparation of synthetic resin lens for glasses and gasket for preparing the same
EP0318164A3 (en) * 1987-10-29 1990-11-22 Techna Vision, Inc. Lens forming system
JP2545311Y2 (ja) * 1990-10-30 1997-08-25 ミネソタ マイニング アンド マニュファクチャリング カンパニー 眼科用具製造用成形型組立体
US5160749A (en) * 1990-10-30 1992-11-03 Minnesota Mining And Manufacturing Company Three piece mold assembly for making an ocular device
US5757459A (en) * 1995-03-03 1998-05-26 Vision-Ease Lens, Inc. Multifocal optical elements
US5685908A (en) * 1995-06-08 1997-11-11 Essilor Of America, Inc. Apparatus for spin coating a multifocal lens
US5753301A (en) * 1995-06-08 1998-05-19 Essilor Of America, Inc. Method for spin coating a multifocal lens
US6022498A (en) 1996-04-19 2000-02-08 Q2100, Inc. Methods for eyeglass lens curing using ultraviolet light
US6280171B1 (en) 1996-06-14 2001-08-28 Q2100, Inc. El apparatus for eyeglass lens curing using ultraviolet light
KR20000075461A (ko) * 1997-02-20 2000-12-15 테크놀러지 리소스 인터내셔날 코포레이션 렌즈 성형기의 조립 장치 및 방법
US6103148A (en) * 1998-02-19 2000-08-15 Technology Resources International Corporation Method for curing a lens-forming fluid
CA2337124A1 (en) * 1998-07-24 2000-02-03 Duane L. Wires Method and compositions for manufacturing coated photochromatic articles
US6936197B1 (en) 1998-07-24 2005-08-30 Duane L. Wires Method and compositions for manufacturing coated photochromatic articles
US6276920B1 (en) * 1998-08-11 2001-08-21 Menicon Co., Ltd. Mold assembly for lens blank, having mold cavity and material reservoir defined by press-fitting engagement of upper and lower molds with intermediate sleeve
US6391231B1 (en) 1998-11-23 2002-05-21 Younger Mfg. Co. Method for side-fill lens casting
EP1226022A1 (en) 1999-11-04 2002-07-31 Concepcionlicence AG Device for the production of optical lenses of polymerizable material
USD434050S (en) * 1999-12-06 2000-11-21 Technology Resource International Corporation Gasket for lens making
US7077985B2 (en) * 2000-05-30 2006-07-18 Vision-Ease Lens Injection molding of lens
WO2005023529A2 (en) 2003-09-09 2005-03-17 Vision-Ease Lens, Inc. Photochromic polyurethane laminate
US7858001B2 (en) * 2003-09-09 2010-12-28 Insight Equity A.P.X., L.P. Photochromic lens
US8002935B2 (en) 2005-03-04 2011-08-23 Insight Equity A.P.X., L.P. Forming method for polymeric laminated wafers comprising different film materials

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890486A (en) * 1955-08-29 1959-06-16 American Optical Corp Mold for producing lens of any shape from a polymerizable material
US3278654A (en) * 1958-04-25 1966-10-11 Lentilles Ophtalmiques Special Apparatus and method of producing optical and ophthalmic lenses from thermosetting resin materials
DE1122738B (de) * 1959-09-05 1962-01-25 Hensoldt & Soehne Optik Linsenfassung
FR1492305A (fr) * 1966-07-08 1967-08-18 Optique Lunetterie A Lamard Perfectionnements apportés aux dispositifs de moulage de lentilles en verre organique et à leurs procédés de fabrication
NL6708010A (enrdf_load_stackoverflow) * 1967-06-09 1968-12-10
GB1245929A (en) * 1967-12-15 1971-09-15 Combined Optical Ind Ltd Improvements in or relating to synthetic plastic lenses
US3555611A (en) * 1969-12-15 1971-01-19 Armorlite Lens Co Inc Mold for casting optical elements and the like
US3902693A (en) * 1973-03-12 1975-09-02 American Optical Corp Mold for casting lenses
US3881683A (en) * 1973-11-29 1975-05-06 American Optical Corp Gasket for lens mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2203092A (en) * 1987-04-03 1988-10-12 Kei Mori Casting

Also Published As

Publication number Publication date
JPS5321940A (en) 1978-02-28
US4085919A (en) 1978-04-25
DE2734416C2 (de) 1986-09-18
JPS6155452B2 (enrdf_load_stackoverflow) 1986-11-27
CA1092307A (en) 1980-12-30
DE2734416A1 (de) 1978-02-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee